<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
        <el-form :inline="true"
                 :model="userQueryParam"
                 class="demo-form-inline">
          <el-form-item label="用户账号">
            <el-input v-model="userQueryParam.account"
                      placeholder="输入查询账号"
                      clearable
                      @clear="getUserList"></el-input>
          </el-form-item>
          <el-form-item label="电话">
            <el-input v-model="userQueryParam.mobile"
                      placeholder="输入查询电话"
                      clearable
                      @clear="getUserList"></el-input>
          </el-form-item>
          <el-form-item>
            <el-button type="primary"
                       @click="getUserList">查询</el-button>
          </el-form-item>
          <el-button type="primary"
                     @click="addDialogVisible = true" 
                     style="float: right" >添加用户</el-button>
        </el-form>
      <!-- 用户列表区域 -->
      <el-table :data="this.userList"
              ref="multipleTable"
              tooltip-effect="dark"
              style="width: 100%">
        <!-- 展开列，展示用户下的角色 -->
        <!-- 展开列 -->
        <el-table-column type="expand">
          <template slot-scope="scope">
            <el-row :class="['bdbottom', i1 === 0 ? 'bdtop' : '', 'vcenter']" v-for="(item1, i1) in scope.row.roleList" :key="item1.id">
              <!-- 渲染角色 -->
              <el-col :span="10">
                <el-tag closable @close="removeRightById(scope.row, item1.id)">{{item1.roleName}}</el-tag>
                <i class="el-icon-caret-right"></i>
              </el-col>
              <!-- 渲染权限 -->
              <el-col :span="10">
                <!-- 通过 for 循环 嵌套渲染二级权限 -->
                <el-row :class="[i2 === 0 ? '' : 'bdtop', 'vcenter']" v-for="(item2, i2) in item1.children" :key="item2.id">
                    <el-tag type="success" closable @close="removeRightById(scope.row, item2.id)">{{item2.permName}}</el-tag>
                    <i class="el-icon-caret-right"></i>
                </el-row>
              </el-col>
            </el-row>
            <!-- <pre>
              {{scope.row}}
            </pre> -->
          </template>
        </el-table-column>
        <el-table-column label="用户账号"
                         prop="account"></el-table-column>
        <el-table-column label="密码"
                         prop="password"></el-table-column>
        <el-table-column label="电话"
                         prop="mobile"></el-table-column>
        <el-table-column label="邮箱"
                         prop="email"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.state"
                       @change="userStateChanged(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="创建时间"
                         prop="createTime"></el-table-column>
        <el-table-column label="操作"
                         width="200px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button type="primary"
                       icon="el-icon-edit"
                       size="mini"
                       @click="showEditDialog(scope.row.id)"></el-button>
            <!-- 删除按钮 -->
            <el-button type="danger"
                       icon="el-icon-delete"
                       size="mini"
                       @click="removeUserById(scope.row.id)"></el-button>
            <!-- 分配角色按钮 -->
            <el-tooltip effect="dark"
                        content="分配角色"
                        placement="top"
                        :enterable="false">
              <el-button type="warning"
                         icon="el-icon-setting"
                         size="mini"
                         @click="setRole(scope.row.id)"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination @size-change="handleSizeChange"
                     @current-change="handleCurrentChange"
                     :current-page="this.userQueryParam.pageNum"
                     :page-sizes="[1, 2, 5, 10]"
                     :page-size="this.userQueryParam.pageSize"
                     layout="total, sizes, prev, pager, next, jumper"
                     :total="this.pageBean.total">
      </el-pagination>
    </el-card>

    <!-- 添加用户的对话框 -->
    <el-dialog title="添加用户"
               :visible.sync="addDialogVisible"
               width="50%"
               @close="addDialogClosed">
      <!-- 内容主体区域 -->
      <el-form :model="addForm"
               :rules="addFormRules"
               ref="addFormRef"
               label-width="70px">
        <el-form-item label="账号"
                      prop="account">
          <el-input v-model="addForm.account"></el-input>
        </el-form-item>
        <el-form-item label="密码"
                      prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱"
                      prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机"
                      prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
        <!-- <el-form-item label="创建时间" required>          
          <el-date-picker v-model="addForm.createTime"
                          type="date"
                          placeholder="选择日期"
                          >
          </el-date-picker>
        </el-form-item> -->
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer"
            class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary"
                   @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 修改用户的对话框 -->
    <el-dialog title="修改用户"
               :visible.sync="editDialogVisible"
               width="50%"
               @close="editDialogClosed">
      <el-form :model="editForm"
               :rules="editFormRules"
               ref="editFormRef"
               label-width="70px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.account"
                    disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱"
                      prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机"
                      prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer"
            class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary"
                   @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 分配角色的对话框 -->
    <el-dialog title="分配角色"
               :visible.sync="setRoleDialogVisible"
               width="50%"
               @close="setRoleDialogClosed">
    <!-- 树形控件 -->
      <el-tree :data="roleList" 
                :props="treeProps" 
                show-checkbox node-key="id" 
                default-expand-all 
                :default-checked-keys="defKeys" 
                ref="treeRef"></el-tree>
      <span slot="footer"
            class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary"
                   @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data () {
    // 验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      // 验证邮箱的正则表达式
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/

      if (regEmail.test(value)) {
        // 合法的邮箱
        return cb()
      }

      cb(new Error('请输入合法的邮箱'))
    }

    // 验证手机号的规则
    var checkMobile = (rule, value, cb) => {
      // 验证手机号的正则表达式
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/

      if (regMobile.test(value)) {
        return cb()
      }

      cb(new Error('请输入合法的手机号'))
    }

    return {
      userQueryParam: {  //添加查询参数，对应后端的StandarduserQueryParam 实体类
        account: "",
        mobile: "",
        pageNum: 1,
        pageSize: 8
      },
      pageBean: {  //分页数据
        total: 0,
        pages: 0,
        pageNum: 0,
        pageSize: 0,
        list: [],  //表示后台的User集合
      },
      // 控制添加用户对话框的显示与隐藏
      addDialogVisible: false,
      // 添加用户的表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      // 所有角色列表数据
      userList: [],
      
      // 添加表单的验证规则对象
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '用户名的长度在3~10个字符之间',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 6,
            max: 15,
            message: '用户名的长度在6~15个字符之间',
            trigger: 'blur'
          }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      // 控制修改用户对话框的显示与隐藏
      editDialogVisible: false,
      // 编辑框上的信息
      editForm: {},
      // 修改表单的验证规则对象
      editFormRules: {
        email: [
          { required: true, message: '请输入用户邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入用户手机', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      // 控制分配角色对话框的显示与隐藏
      setRoleDialogVisible: false,
      // 需要被分配角色的用户信息
      userInfo: {},
      // 所有角色的数据列表
      rolesList: [],
      // 已选中的角色Id值
      selectedRoleId: ''
    }
  },
  created () {
    this.getUserList()
  },
  methods: {
    //得到用户列表,并且根据查询条件展示
    getUserList () {
      console.log(this.userQueryParam)
      this.axios.post(this.baseUrl + "auth/getAllUser", this.userQueryParam)
        .then(res => {
          console.log(this.userQueryParam)
          if (res.data.status === 'SUCCESS') {
            console.log(res.data.data)
            //将数据传给pageBean
            this.pageBean = res.data.data
            this.userList=res.data.data.list
            console.log(this.userList+"......................")
            this.$message({
              type: 'success',
              message: res.data.message
            });
          } else {
            this.$message({
              type: 'warning',
              message: res.data.message,
            });
            console.log(res.data.message)
          }
        })
    },
    // 监听 pageSize 改变的事件
    handleSizeChange (newSize) {
      // console.log(newSize)
      console.log(newSize)
      this.userQueryParam.pageSize = newSize
      console.log(this.userQueryParam.pageSize)
      this.getUserList()
    },
    // 监听 页码值 改变的事件
    handleCurrentChange (newPage) {
      console.log(newPage)
      this.userQueryParam.pageNum = newPage
      this.getUserList()
    },
    // 监听 switch 开关状态的改变
    userStateChanged(userinfo){
      console.log(this.userinfo)
      this.axios.post(this.baseUrl+"auth/users/state/"+userinfo.id+"/"+userinfo.state)
          .then(res=>{
            console.log(this.userinfo)
             if (res.data.status === 'SUCCESS') {
            console.log(res.data.data)
            //将数据传给pageBean
           this.userinfo.state = res.data.data
            this.$message({
              type: 'success',
              message: res.data.message
            });
          } else {
            this.$message({
              type: 'warning',
              message: res.data.message,
            });
            console.log(res.data.message)
          }
          });
    },

    // 监听添加用户对话框的关闭事件
    addDialogClosed () {
      this.$refs.addFormRef.resetFields()
    },
    // 点击按钮，添加新用户
    addUser () {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return
        // 可以发起添加用户的网络请求
        const { data: res } = await this.axios.post(this.baseUrl+'auth/insert', this.addForm)

        if (res.data.code !== 201) {
          this.$message.error('添加用户失败！')
        }

        this.$message.success('添加用户成功！')
        // 隐藏添加用户的对话框
        this.addDialogVisible = false
        // 重新获取用户列表数据
        this.getUserList()
      })
    },
    //展示编辑框
    showEditDialog (id){
        console.log(id)
        this.axios.get(this.baseUrl+"auth/getById/"+id)
            .then(res=>{
               if (res.data.status === 'SUCCESS') {
                console.log(res.data.data)
               this.editForm = res.data.data
               this.editDialogVisible = true
            this.$message({
              type: 'success',
              message: res.data.message
            });
          } else {
            this.$message({
              type: 'warning',
              message: res.data.message,
            });
            console.log(res.data.message)
          }
            })
    },
    // 监听修改用户对话框的关闭事件
    editDialogClosed () {
      this.$refs.editFormRef.resetFields()
    },
    // 修改编辑框中用户信息并提交
    editUserInfo () {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return   //如果无效，直接return
        this.axios.put(this.baseUrl+ 'auth/update/',this.editForm)
                .then(res=>{
                   if (res.data.status ==='SUCCESS') {
                      // 关闭对话框
                      this.editDialogVisible = false
                      // 刷新数据列表
                      this.getUserList()
                      // 提示修改成功
                      console.log(res.data.data)
                      return this.$message.success('更新用户信息成功！')
                    }
                      console.log(res.data.message)
                      this.$message.error('更新用户信息失败！')
                            })   
    })
    },
    // 根据Id删除对应的用户信息
    async removeUserById (id) {
      // 弹框询问用户是否删除数据
      console.log(id);
      const confirmResult = await this.$confirm(
        '此操作将永久删除该用户, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)
      // 如果用户确认删除，则返回值为字符串 confirm
      // 如果用户取消了删除，则返回值为字符串 cancel
      // console.log(confirmResult)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.axios.delete(this.baseUrl +'auth/delete/' + id)
      console.log(res)
      if (res.data.status ==='SUCCESS') {
        this.getUserList()
        return this.$message.error('删除用户成功！')
      }
      this.$message.success('删除用户成功！') 
    },

    // 展示分配角色的对话框
    async setRole (id) {
      console.log(id)
      // 在展示对话框之前，获取所有角色的列表
      const { data: res } = await this.axios.get(this.baseUrl+'user/getAllRole/')
      if (res.data.status !== 'SUCCESS') {
        return this.$message.error('获取角色列表失败！')
      }

      this.rolesList = res.data.data
      this.setRoleDialogVisible = true
    },
    // 点击按钮，分配角色
    async saveRoleInfo () {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色！')
      }

      const { data: res } = await this.axios.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectedRoleId
        }
      )

      if (res.meta.status !== 200) {
        return this.$message.error('更新角色失败！')
      }

      this.$message.success('更新角色成功！')
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    // 监听分配角色对话框的关闭事件
    setRoleDialogClosed () {
      this.selectedRoleId = ''
      this.userInfo = {}
    }
  }
}
</script>

<style lang="less" scoped>
</style>
